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/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.cxf.jaxrs.ext.search;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.logging.Logger;
import javax.ws.rs.core.MultivaluedMap;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.helpers.CastUtils;
import org.apache.cxf.jaxrs.ext.search.client.CompleteCondition;
import org.apache.cxf.jaxrs.ext.search.client.SearchConditionBuilder;
import org.apache.cxf.jaxrs.ext.search.fiql.FiqlParser;
import org.apache.cxf.jaxrs.utils.InjectionUtils;
import org.apache.cxf.jaxrs.utils.JAXRSUtils;
import org.apache.cxf.message.Message;
import org.apache.cxf.message.MessageUtils;
public class SearchContextImpl implements SearchContext {
public static final String SEARCH_QUERY = "_search";
public static final String SHORT_SEARCH_QUERY = "_s";
public static final String CUSTOM_SEARCH_QUERY_PARAM_NAME = "search.query.parameter.name";
private static final String USE_PLAIN_QUERY_PARAMETERS = "search.use.plain.queries";
private static final String USE_ALL_QUERY_COMPONENT = "search.use.all.query.component";
private static final Logger LOG = LogUtils.getL7dLogger(SearchContextImpl.class);
private Message message;
public SearchContextImpl(Message message) {
this.message = message;
}
public SearchCondition getCondition(Class cls) {
return getCondition(null, cls);
}
public SearchCondition getCondition(Class cls, Map beanProperties) {
return getCondition(null, cls, beanProperties);
}
public SearchCondition getCondition(Class cls,
Map beanProperties,
Map parserProperties) {
return getCondition(null, cls, beanProperties, parserProperties);
}
public SearchCondition getCondition(String expression, Class cls) {
return getCondition(expression, cls, null);
}
public SearchCondition getCondition(String expression,
Class cls,
Map beanProperties) {
return getCondition(expression, cls, beanProperties, null);
}
public SearchCondition getCondition(String expression,
Class cls,
Map beanProperties,
Map parserProperties) {
if (InjectionUtils.isPrimitive(cls)) {
String errorMessage = "Primitive condition types are not supported";
LOG.warning(errorMessage);
throw new IllegalArgumentException(errorMessage);
}
SearchConditionParser parser = getParser(cls, beanProperties, parserProperties);
String theExpression = expression == null
? getSearchExpression() : expression;
if (theExpression != null) {
try {
return parser.parse(theExpression);
} catch (SearchParseException ex) {
return null;
}
} else {
return null;
}
}
public String getSearchExpression() {
String queryStr = (String)message.get(Message.QUERY_STRING);
if (queryStr != null) {
if (MessageUtils.isTrue(message.getContextualProperty(USE_ALL_QUERY_COMPONENT))) {
return queryStr;
}
MultivaluedMap params =
JAXRSUtils.getStructuredParams(queryStr, "&", true, false);
String customQueryParamName = (String)message.getContextualProperty(CUSTOM_SEARCH_QUERY_PARAM_NAME);
if (customQueryParamName != null) {
return params.getFirst(customQueryParamName);
}
if (queryStr.contains(SHORT_SEARCH_QUERY) || queryStr.contains(SEARCH_QUERY)) {
if (params.containsKey(SHORT_SEARCH_QUERY)) {
return params.getFirst(SHORT_SEARCH_QUERY);
} else {
return params.getFirst(SEARCH_QUERY);
}
} else if (MessageUtils.isTrue(message.getContextualProperty(USE_PLAIN_QUERY_PARAMETERS))) {
return convertPlainQueriesToFiqlExp(params);
}
}
return null;
}
private String convertPlainQueriesToFiqlExp(MultivaluedMap params) {
SearchConditionBuilder builder = SearchConditionBuilder.instance();
List list = new ArrayList(params.size());
for (Map.Entry> entry : params.entrySet()) {
list.add(getOrCondition(builder, entry));
}
return builder.and(list).query();
}
private CompleteCondition getOrCondition(SearchConditionBuilder builder,
Map.Entry> entry) {
String key = entry.getKey();
ConditionType ct = null;
if (key.endsWith("From")) {
ct = ConditionType.GREATER_OR_EQUALS;
key = key.substring(0, key.length() - 4);
} else if (key.endsWith("Till")) {
ct = ConditionType.LESS_OR_EQUALS;
key = key.substring(0, key.length() - 4);
} else {
ct = ConditionType.EQUALS;
}
List list = new ArrayList(entry.getValue().size());
for (String value : entry.getValue()) {
list.add(builder.is(key).comparesTo(ct, value));
}
return builder.or(list);
}
private SearchConditionParser getParser(Class cls,
Map beanProperties,
Map parserProperties) {
// we can use this method as a parser factory, ex
// we can get parsers capable of parsing XQuery and other languages
// depending on the properties set by a user
Map props = null;
if (parserProperties == null) {
props = new LinkedHashMap(4);
props.put(SearchUtils.DATE_FORMAT_PROPERTY,
(String)message.getContextualProperty(SearchUtils.DATE_FORMAT_PROPERTY));
props.put(SearchUtils.TIMEZONE_SUPPORT_PROPERTY,
(String)message.getContextualProperty(SearchUtils.TIMEZONE_SUPPORT_PROPERTY));
props.put(SearchUtils.LAX_PROPERTY_MATCH,
(String)message.getContextualProperty(SearchUtils.LAX_PROPERTY_MATCH));
} else {
props = parserProperties;
}
Map beanProps = null;
if (beanProperties == null) {
beanProps = CastUtils.cast((Map)message.getContextualProperty(SearchUtils.BEAN_PROPERTY_MAP));
} else {
beanProps = beanProperties;
}
return new FiqlParser(cls, props, beanProps);
}
}
